kg to Pounds
kg-lb• Convert kilograms and pounds instantly, both ways. • With a reference table of gym plate and shipping weights.
By kg
By lb
45 lb is the standard gym plate. 135, 225 and 315 lb are the classic bench milestones.
How to convert kilograms and pounds
One pound is exactly 0.45359237 kg, which makes one kilogram about 2.2046 pounds. Multiplying kilograms by 2.2 gets you close enough for most purposes. Going the other way, halve the pounds and take off ten percent: 100 lb halves to 50, minus 5 gives 45 kg, against a true 45.36 kg. That is a perfectly serviceable bit of mental arithmetic.
The gym is where pounds show up most. The standard American plate is 45 lb, or 20.4 kg, and the barbell itself is also 45 lb. That is why English-language lifting content keeps mentioning 135, 225 and 315 lb — those are the bar with one, two and three plates a side. In kilograms they are 61.2, 102.1 and 142.9. Korean gyms generally stock 20 kg plates, which is why the numbers never line up neatly.
Pounds also turn up in international shipping. American carriers usually quote weight in pounds, so working out customs or postage often means converting to kilograms first. While you are here: an ounce is one sixteenth of a pound, roughly 28.35 g.
Frequently asked questions
How many kilograms is one pound?
One pound is exactly 0.45359237 kg, which makes one kilogram about 2.2046 pounds. Multiply kilograms by 2.2 to get close to pounds. Going the other way, halve the pounds and take off ten percent. So 100 lb is 45.36 kg, and 70 kg is about 154.3 lb.
How do pounds and ounces relate?
There are 16 ounces in a pound, and one ounce is about 28.35 g. So 8 oz is half a pound, roughly 226.8 g, and 16 oz is 453.6 g. You will see this constantly on American food packaging and in recipes. Note that fluid ounces are a measure of volume, not weight, and do not convert the same way.
How many pounds is the 23 kg baggage allowance?
23 kg is about 50.7 lb. It is the usual allowance for one checked bag on international routes, and English language notices normally round it to 50 lb. But 50 lb is 22.68 kg, slightly less than 23 kg. If you have packed right up to the limit, check the figure your airline actually publishes.
What is 150 pounds in kilograms?
150 lb is about 68.0 kg. For reference, 120 lb is 54.4 kg, 180 lb is 81.6 kg and 200 lb is 90.7 kg. American sources often give body weight in pounds only, so converting comes up whenever you read overseas health guidance, training programmes or dosage tables.
What is a stone?
The stone is the unit the British use for body weight. One stone is 14 pounds, about 6.35 kg. British speakers combine the two, as in eleven stone four, which is 158 lb or about 71.7 kg. It is essentially unused in the United States, where weight is quoted in pounds alone.
How much is a 45 lb gym plate in kilograms?
A 45 lb plate is 20.4 kg, and the standard American barbell is also 45 lb. That is why English language lifting content keeps citing 135, 225 and 315 lb: those are the bar with one, two and three plates a side, or 61.2, 102.1 and 142.9 kg. Korean gyms stock 20 kg plates, which is why the numbers never line up neatly.